<!DOCTYPE html>
<html>
<head>
<title>程序员的情人节礼,给你一朵玫瑰花</title>
<meta charset="utf-8">
</head>
<body align="center">
	<canvas id="c" height="500" width="500"></canvas>
	<script>
		var b = document.body;
		var c = document.getElementsByTagName('canvas')[0];
		var a = c.getContext('2d');
		document.body.clientWidth;
	</script>
	<script>
		// start of submission //
		with (m = Math)
			C = cos, S = sin, P = pow, R = random;
		c.width = c.height = f = 500;
		h = -250;
		function p(a, b, c) {
			if (c > 60)
				return [
						S(a * 7) * (13 + 5 / (.2 + P(b * 4, 4))) - S(b) * 50,
						b * f + 50,
						625 + C(a * 7) * (13 + 5 / (.2 + P(b * 4, 4))) + b
								* 400, a * 1 - b / 2, a ];
			A = a * 2 - 1;
			B = b * 2 - 1;
			if (A * A + B * B < 1) {
				if (c > 37) {
					n = (j = c & 1) ? 6 : 4;
					o = .5 / (a + .01) + C(b * 125) * 3 - a * 300;
					w = b * h;
					return [
							o * C(n) + w * S(n) + j * 610 - 390,
							o * S(n) - w * C(n) + 550 - j * 350,
							1180 + C(B + A) * 99 - j * 300,
							.4
									- a
									* .1
									+ P(1 - B * B, -h * 6)
									* .15
									- a
									* b
									* .4
									+ C(a + b)
									/ 5
									+ P(
											C((o * (a + 1) + (B > 0 ? w : -w)) / 25),
											30) * .1 * (1 - B * B),
							o / 1e3 + .7 - o * w * 3e-6 ]
				}
				if (c > 32) {
					c = c * 1.16 - .15;
					o = a * 45 - 20;
					w = b * b * h;
					z = o * S(c) + w * C(c) + 620;
					return [ o * C(c) - w * S(c),
							28 + C(B * .5) * 99 - b * b * b * 60 - z / 2 - h,
							z,
							(b * b * .3 + P((1 - (A * A)), 7) * .15 + .3) * b,
							b * .7 ]
				}
				o = A * (2 - b) * (80 - c * 2);
				w = 99 - C(A) * 120 - C(b) * (-h - c * 4.9) + C(P(1 - b, 7))
						* 50 + c * 2;
				z = o * S(c) + w * C(c) + 700;
				return [ o * C(c) - w * S(c),
						B * 99 - C(P(b, 7)) * 50 - c / 3 - z / 1.35 + 450, z,
						(1 - b / 1.2) * .9 + a * .1, P((1 - b), 20) / 4 + .05 ]
			}
		}
		setInterval(
				'for(i=0;i<1e4;i++)if(s=p(R(),R(),i%46/.74)){z=s[2];x=~~(s[0]*f/z-h);y=~~(s[1]*f/z-h);if(!m[q=y*f+x]|m[q]>z)m[q]=z,a.fillStyle="rgb("+~(s[3]*h)+","+~(s[4]*h)+","+~(s[3]*s[3]*-80)+")",a.fillRect(x,y,1,1)}',
				0)
		// end of submission //
	</script>
</body>
</html>
